"Quite simply, one of the best storytellers around" Tess Gerritsen - Forensic scientist Theresa MacLean is puzzled by the questionable death of a female construction worker at a Cleveland building site. A witness to the death - a young girl nicknamed Ghost - may be able to help. Ghost says the woman was pushed by someone she can only identify as the Shadow Man. Soon Theresa finds herself in a race against time to protect Ghost from an unknown killer before he is able to find the little girl and silence her for good.

Forensic scientist Theresa MacLean is puzzled by the questionable death of a female construction worker at a Cleveland building site. A witness to the death—a young girl nicknamed Ghost—may be able to help. Ghost says the woman was pushed by someone she can only identify as the Shadow Man. Soon Theresa finds herself in a race against time to protect Ghost from an unknown killer before he is able to find the little girl and silence her for good.